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hammer [34]
3 years ago
15

Y=-5x-1

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0

The original formula for this is:

y = mx + b

m = slope

b = y - intercept

So, in this case:

y = -5x - 1

The slope (m) = -5

The y - intercept (b) = -1

Hope this helps!

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If p base and b is the perpendicular of a right triangle find the area of a triangle​
Likurg_2 [28]

Answer:

Area of triangle= Half of perpendicular times base

In short:1/2×p×b

7 0
3 years ago
100% pure gold is 24 karat gold, which is too soft to be made into jewelry most call Jory is 14 karat gold proximally 58% gold 1
denis-greek [22]

Answer:

The amount of gold used in a 200 g 14 gold bracelet is 116 g.

Step-by-step explanation:

Since a 14 karat jewell is stated to have aproximally 58 % of it's weigh in gold we need to take the total weigh of the jewel in question and find that percentage of it's weigh. In order to find that percentage we'll first convert that number into a decimal, we do that by dividing it by 100, so we have 58% = 58/100 = 0.58 we can multiply this value by the weigh of the jewel to find the amount of gold used. So we have:

gold used = total weigh*0.58 = 200*0.58 = 116 g

5 0
3 years ago
If c(x) = 4x-2 and d(x) = x^2 + 5x is is (c•d) (x)
FinnZ [79.3K]
<h3>Answer: (c * d)(x) = 4x^3 + 18x^2 - 10x</h3>

Work Shown:

I'm assuming the dot means multiplication. If so, then,

(c * d)(x) = c(x)*d(x)

(c * d)(x) = [ c(x) ] * [ d(x) ]

(c * d)(x) = (4x-2)(x^2+5x) .... substitution

(c * d)(x) = 4x(x^2+5x) - 2(x^2+5x) ... distribute

(c * d)(x) = 4x(x^2)+4x(5x) - 2(x^2)-2(5x) ... distribute again

(c * d)(x) = 4x^3 + 20x^2 - 2x^2 - 10x

(c * d)(x) = 4x^3 + 18x^2 - 10x

3 0
3 years ago
How many thirds are in 3 wholes
PilotLPTM [1.2K]
9 thirds, there a three thirds in each whole
3 0
3 years ago
Read 2 more answers
Abigail and Spencer calculate the slope of the line between the points (3,-1) and (5,4) in different ways. Abigail calculates th
telo118 [61]

Answer:

Spencer and Abigail are correct

Lauren is incorrect

Step-by-step explanation:

Spencer and Abigail are correct

Slope = change in y ÷ change in x

Or  m=\dfrac{y_2-y_1}{x_2-x_1}

Let (x_1,y_1) = (3, -1)

Let (x_2,y_2) = (5, 4)

\implies m=\dfrac{4-(-1)}{5-3}=\dfrac52

This is Spencer's method

Let (x_1,y_1) = (5, 4)

Let (x_2,y_2) = (3, -1)

\implies m=\dfrac{-1-4}{3-5}=\dfrac52

This is Abigail's method

It doesn't matter which point you label as point 1 and point 2, as long as you carry out the slope calculation correctly.

Lauren's calculation is wrong as she calculated her slope as:

m=\dfrac{y_2-y_1}{x_1-x_2}

where it should have been m=\dfrac{y_2-y_1}{x_2-x_1}

4 0
2 years ago
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